<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - Page Not Found</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
        }
        .container {
            text-align: center;
            background-color: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }
        .error-code {
            font-size: 100px;
            color: #ff6347;
            margin-bottom: 20px;
        }
        h1 {
            margin: 0;
            font-size: 36px;
        }
        p {
            font-size: 18px;
            color: #555;
            margin: 20px 0;
        }
        .navigation {
            margin-top: 30px;
        }
    </style>
</head>
<body>
<div class="container">
    <div class="error-code">404</div>
    <h1>Page Not Found</h1>
    <p>Sorry, the page you are looking for might have been removed, had its name changed, or is temporarily unavailable.</p>
</div>
</body>
</html>
